英语词汇rock-boring是什么意思，rock-boring的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	rock-boring
释义	DEFINITIVE EXAMPLES 权威例句〔trepan〕A rock-boring tool used in mining for sinking shafts.钻井机：一种在采矿中用来挖掘矿井时在石头上打孔的工具美国传统
随便看	rupial rupial syphilid Rupicapra Rupicaprini rupicoline rupicolous rupideserta rupioid Ruppell's serum rupphobia ruptime ruptio rupturable rupture rupture rupture rupture rupture capacity rupture diagram rupture diaphragm rupture disc rupture disk rupture disk device rupture life rupture line

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